genericprovidercollection.cs

HeyCacher 高性能缓存方案(带源码) 1. 文件的所有权益归上传用户所有 2. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途 3. CSDN下载频道仅提供交流平台

//===============================================================================
// CSDN HeyCache 
//===============================================================================
// 修改记录：[按最后修改时间倒排序]
// 2007.06.11 by tangwei
//
// 代码来源：参考于.net frameworks
//===============================================================================
namespace HeyCacher.Providers.Common
{
    using System;
    using System.Configuration.Provider;

    /// <summary>
    /// 通用的Provider对象集合
    /// </summary>
    /// <typeparam name="T">Provider类型</typeparam>
    public class GenericProviderCollection<T> : ProviderCollection where T : System.Configuration.Provider.ProviderBase
    {
        /// <summary>
        /// Returns a provider by the specified section key.
        /// </summary>
        /// <param name="name"></param>
        /// <returns></returns>
        public new T this[string name]
        {
            get { return (T)base[name]; }
        }

        /// <summary>
        /// Adds a new provider to the collection.
        /// </summary>
        /// <param name="provider"></param>
        public override void Add(ProviderBase provider)
        {
            if (provider == null)
                throw new ArgumentNullException("provider");

            if (!(provider is T))
                throw new ArgumentException("Invalid provider type", "provider");

            base.Add(provider);
        }

        public void CopyTo(T[] array, int index)
        {
            base.CopyTo(array, index);
        }
    }
}